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【单选题】
关于复积分的性质,下列叙述错误的是
A.
复积分对被积函数满足线性运算
B.
复积分具有积分路径可加性
C.
复积分具有积分中值定理
D.
复积分是有向积分
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参考答案:
举一反三
【简答题】The treasured books should be put in ________. A)built-in bookshelves B)freestanding bookcases C)hanging bookshelves D)glass cases
【判断题】多角化战略是指旅游企业利用现有资源和优势,向不同行业的其他业务发展的营销战略。
A.
正确
B.
错误
【单选题】What is the purpose of the relief valve of a cargo pump ________.
A.
Provides for the removal of vapors
B.
Allows two or more tanks to be filled at the same time
C.
Provides for the emergency shutdown of the pump
D.
Permits the return of cargo to the suction side of the pump
【单选题】The treasured books should be put in ______.
A.
built-in bookshelves
B.
freestanding bookcases
C.
hanging bookshelves
D.
glass cases
【单选题】Relief workers were shocked by what they saw.
A.
moved
B.
Touched
C.
Surprised
D.
worried
【单选题】Relief workers were shocked by what they saw.
A.
moved
B.
touched
C.
surprised
D.
worried
【判断题】在固体分散体的简单低共熔混合物中药物仅以较细微的晶体形式分散于载体材料中。
A.
正确
B.
错误
【单选题】铣削T形槽进,首先应加工( )。
A.
直槽
B.
底槽
C.
倒角
【单选题】No freestanding fitment may exceed a height of ** meters or extend ___the boundaries of the site.
A.
by
B.
over
C.
beyond
D.
to
【多选题】交叉反应主要有哪些医学意义
A.
引起自身免疫病
B.
引起免疫缺陷病
C.
造成误诊
D.
辅助诊断某些疾病
E.
引起超敏反应
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